Glucose monitor injection port

Abstract

A device for delivering fluid and an inserter in a device for delivering fluid, the device comprising an annular guide configured to engage a pen or a syringe injection needle, a main body enclosed by a base and a cover, and an inserter for expelling the fluid, wherein the inserter includes a glucose monitoring sensor disposed coaxially with the inserter. The inserter comprising a cannula configured to deliver the fluid, and a glucose monitoring sensor disposed coaxially to and surrounding the cannula, wherein the glucose monitoring sensor includes a biosensor layer that monitors glucose in the fluid and provides feedback to the device.

1 . A device for delivering fluid, the device comprising:
 an annular guide configured to engage a pen or a syringe injection needle;   a main body enclosed by a base and a cover; and   an inserter for expelling the fluid; wherein   the inserter includes a glucose monitoring sensor disposed coaxially with the inserter.   
     
     
         2 . The device of  claim 1 , wherein:
 the inserter includes a cannula; and   the glucose monitoring sensor surrounds an external diameter of the cannula.   
     
     
         3 . The device of  claim 2 , wherein the glucose monitoring sensor includes a substrate stiffener layer comprising a Teflon fluoropolymer surrounding the cannula. 
     
     
         4 . The device of  claim 3 , wherein:
 the glucose monitoring sensor further includes a biosensor layer having an electrochemical biosensor layer and a glucose oxidase based sensor layer; and   the biosensor layer surrounds the substrate stiffener layer.   
     
     
         5 . The device of  claim 4 , further comprising conductive traces electrically connected to the biosensor layer that provides feedback to a printed circuit board in the main body. 
     
     
         6 . The device of  claim 4  wherein:
 the glucose monitoring sensor further includes:
 an enzyme layer surrounding the biosensor layer; and 
 a membrane layer surrounding the enzyme layer. 
 
 
     
     
         7 . The device of  claim 1 , further comprising:
 an insertion trocar surrounding the glucose monitoring sensor; and   an insertion trocar cover to shield the insertion trocar when not in use.   
     
     
         8 . The device of  claim 1 , wherein the main body includes a frame having a sensor contact pad electrically connected to the glucose monitoring sensor to receive sensor feedback. 
     
     
         9 . The device of  claim 1 , further includes one or more batteries disposed in the main body that are electrically connected to the glucose monitoring sensor. 
     
     
         10 . The device of  claim 1 , wherein the main body includes a frame having retention features configured to secure and release a reusable electronic module. 
     
     
         11 . The device of  claim 10 , wherein the reusable electronic module includes a connector that is configured to engage a printed circuit board in the main body. 
     
     
         12 . The device of  claim 10 , wherein the reusable electronic module includes a control panel having one or more of a microprocessor, a real-time clock, a Bluetooth, a near field communicator and a power management controller. 
     
     
         13 . The device of  claim 1 , wherein the device delivers the fluid by injecting into or through a patient's skin. 
     
     
         14 . The device of  claim 1 , wherein the base is configured to be attached on a patient's skin. 
     
     
         15 . The device of  claim 1 , wherein the annular guide is configured to engage a patch pump or an infusion pump. 
     
     
         16 . An inserter in a device for delivering fluid, the inserter comprising:
 a cannula configured to deliver the fluid; and   a glucose monitoring sensor disposed coaxially to and surrounding the cannula; wherein   the glucose monitoring sensor includes a biosensor layer that monitors glucose in the fluid and provides feedback to the device.   
     
     
         17 . The inserter of  claim 16 , wherein the device is an injection port. 
     
     
         18 . The inserter of  claim 16  wherein:
 the glucose monitoring sensor further includes:
 an enzyme layer surrounding the biosensor layer; and 
 a membrane layer surrounding the enzyme layer. 
 
 
     
     
         19 . The inserter of  claim 16 , wherein the glucose monitoring sensor includes a substrate stiffener layer surrounded by the biosensor layer. 
     
     
         20 . The inserter of  claim 16 , wherein the biosensor layer comprises an electrochemical biosensor layer and a glucose oxidase based sensor layer.